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Bird Observations

			Date Range: Dec, 1900-2011

San Mateo

Updated ~24 hr(s) ago.

291 species (+34 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Snow Goose
Ross's Goose
Graylag Goose
Greater White-fronted Goose
Brant
Cackling Goose
Canada Goose
Mute Swan
Tundra Swan
Wood Duck
Blue-winged Teal
Cinnamon Teal
Northern Shoveler
Gadwall
Northern Shoveler x Gadwall (hybrid)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Eurasian Wigeon
American Wigeon
Eurasian x American Wigeon (hybrid)
Mallard
Northern Pintail
Green-winged Teal
Canvasback
Redhead
Ring-necked Duck
Tufted Duck
Greater Scaup
Lesser Scaup
Greater/Lesser Scaup
Harlequin Duck
Surf Scoter
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
White-winged Scoter
Black Scoter
scoter sp.
Long-tailed Duck
Bufflehead
Common Goldeneye
Barrow's Goldeneye
Common x Barrow's Goldeneye (hybrid)
Common/Barrow's Goldeneye
Smew
Hooded Merganser
Common Merganser
Red-breasted Merganser
merganser sp.
Ruddy Duck
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
duck sp.
California Quail
Wild Turkey
Ring-necked Pheasant
Pied-billed Grebe
Horned Grebe
Red-necked Grebe
Eared Grebe
Western Grebe
Clark's Grebe
Western/Clark's Grebe
grebe sp.
Rock Pigeon
Band-tailed Pigeon
Eurasian Collared-Dove
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Common Ground Dove
Mourning Dove
Greater Roadrunner
Vaux's Swift
White-throated Swift
Anna's Hummingbird
hummingbird sp.
Ridgway's Rail
Virginia Rail
Sora
Common Gallinule
American Coot
Black Rail
Black-necked Stilt
American Avocet
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Black Oystercatcher
Black-bellied Plover
Pacific Golden-Plover
Killdeer
Semipalmated Plover
Mountain Plover
Snowy Plover
Whimbrel
Long-billed Curlew
Marbled Godwit
Short-billed Dowitcher
Long-billed Dowitcher
Short-billed/Long-billed Dowitcher
Wilson's Snipe
Red Phalarope
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Spotted Sandpiper
Wandering Tattler
Lesser Yellowlegs
Willet
Greater Yellowlegs
Lesser/Greater Yellowlegs
Ruddy Turnstone
Black Turnstone
Red Knot
Surfbird
Sanderling
Dunlin
Rock Sandpiper
Least Sandpiper
Western Sandpiper
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
peep sp.
Parasitic Jaeger
Pomarine Jaeger
jaeger sp.
Rhinoceros Auklet
Cassin's Auklet
Marbled Murrelet
Common Murre
Ancient Murrelet
murrelet sp.
Black-legged Kittiwake
Bonaparte's Gull
Heermann's Gull
Short-billed Gull
Ring-billed Gull
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Western Gull
Herring Gull
Glaucous Gull
Herring x Glaucous Gull (hybrid)
California Gull
Glaucous-winged Gull
Western x Glaucous-winged Gull (hybrid)
Herring x Glaucous-winged Gull (hybrid)
Glaucous x Glaucous-winged Gull (hybrid)
Slaty-backed Gull
Iceland Gull
Larus sp.
gull sp.
Black Skimmer
Caspian Tern
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Forster's Tern
Elegant Tern
Red-throated Loon
Pacific Loon
Common Loon
loon sp.
Northern Fulmar
Sooty Shearwater
Sooty/Short-tailed Shearwater
Black-vented Shearwater
Brandt's Cormorant
Pelagic Cormorant
Double-crested Cormorant
cormorant sp.
American White Pelican
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Brown Pelican
American Bittern
Black-crowned Night Heron
Snowy Egret
Green Heron
Western Cattle Egret
Great Egret
Great Blue Heron
White-faced Ibis
Turkey Vulture
Osprey
White-tailed Kite
Golden Eagle
Northern Harrier
Sharp-shinned Hawk
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cooper's Hawk
Sharp-shinned/Cooper's Hawk
Accipiter sp.
Bald Eagle
Red-shouldered Hawk
Swainson's Hawk
Red-tailed Hawk
Rough-legged Hawk
Ferruginous Hawk
Buteo sp.
Barn Owl
Western Screech-Owl
Snowy Owl
Great Horned Owl
Northern Pygmy-Owl
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Burrowing Owl
Long-eared Owl
Short-eared Owl
Northern Saw-whet Owl
Belted Kingfisher
Williamson's Sapsucker
Yellow-bellied Sapsucker
Red-naped Sapsucker
Red-breasted Sapsucker
Lewis's Woodpecker
Acorn Woodpecker
Downy Woodpecker
Nuttall's Woodpecker
Hairy Woodpecker
Downy/Hairy Woodpecker
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Pileated Woodpecker
Northern Flicker
American Kestrel
Merlin
Peregrine Falcon
Prairie Falcon
large falcon sp.
diurnal raptor sp.
Red-masked Parakeet
Hammond's Flycatcher
Western Flycatcher
Black Phoebe
Eastern Phoebe
Say's Phoebe
Ash-throated Flycatcher
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Tropical Kingbird
Thick-billed Kingbird
Scissor-tailed Flycatcher
Hutton's Vireo
Cassin's Vireo
Loggerhead Shrike
Northern Shrike
Steller's Jay
California Scrub-Jay
Yellow-billed Magpie
American Crow
Common Raven
Chestnut-backed Chickadee
Oak Titmouse
Horned Lark
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Bank Swallow
Tree Swallow
Violet-green Swallow
Barn Swallow
Bushtit
Wrentit
Ruby-crowned Kinglet
Golden-crowned Kinglet
White-breasted Nuthatch
Pygmy Nuthatch
Red-breasted Nuthatch
Brown Creeper
Blue-gray Gnatcatcher
Rock Wren
Canyon Wren
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
House Wren
Pacific Wren
Sedge Wren
Marsh Wren
Bewick's Wren
American Dipper
European Starling
California Thrasher
Sage Thrasher
Northern Mockingbird
Western Bluebird
Varied Thrush
Swainson's Thrush
Hermit Thrush
American Robin
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cedar Waxwing
Phainopepla
Scaly-breasted Munia
House Sparrow
American Pipit
Evening Grosbeak
House Finch
Purple Finch
Cassin's Finch
Red Crossbill
Pine Siskin
Lesser Goldfinch
American Goldfinch
new world goldfinch sp.
Lapland Longspur
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Chestnut-collared Longspur
Chipping Sparrow
Clay-colored Sparrow
Spizella sp.
Lark Sparrow
American Tree Sparrow
Fox Sparrow
Dark-eyed Junco
White-crowned Sparrow
Golden-crowned Sparrow
Harris's Sparrow
White-throated Sparrow
Vesper Sparrow
Nelson's Sparrow
Savannah Sparrow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Song Sparrow
Lincoln's Sparrow
Swamp Sparrow
California Towhee
Rufous-crowned Sparrow
Spotted Towhee
new world sparrow sp.
Western Meadowlark
Orchard Oriole
Hooded Oriole
Bullock's Oriole
Red-winged Blackbird
Tricolored Blackbird
Brown-headed Cowbird
Rusty Blackbird
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Brewer's Blackbird
Great-tailed Grackle
Worm-eating Warbler
Northern Waterthrush
Black-and-white Warbler
Tennessee Warbler
Orange-crowned Warbler
Lucy's Warbler
Nashville Warbler
MacGillivray's Warbler
Common Yellowthroat
Hooded Warbler
Northern Parula
Yellow Warbler
Palm Warbler
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Yellow-rumped Warbler
Prairie Warbler
Black-throated Gray Warbler
Townsend's Warbler
Hermit Warbler
Wilson's Warbler
Summer Tanager
Western Tanager
Black-headed Grosbeak
Indigo Bunting

KEY:| = insufficient data | = rare to widespread

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